[R] Plotting Multiple Factors By Dates With Lattice

[Rich Shepard]

On Thu, 15 Aug 2013, arun wrote:

> #Not sure about your exact specification, so this would get you started.
> xyplot(pct~sampdate,data=burns.date.ffg,groups=func_feed_grp,pch=1:7,type="l")

A.K./Dennis;

   Now I see the source of my error: I quoted the data file name! Removing
the quotation marks produces the plots.

Thank you both very much,

Rich

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